ES371230A1 - Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES371230A1
ES371230A1 ES371230A ES371230A ES371230A1 ES 371230 A1 ES371230 A1 ES 371230A1 ES 371230 A ES371230 A ES 371230A ES 371230 A ES371230 A ES 371230A ES 371230 A1 ES371230 A1 ES 371230A1
Authority
ES
Spain
Prior art keywords
carbon atoms
formula
alkyl group
general formula
translation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES371230A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
JR Geigy AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CH1344268A external-priority patent/CH514572A/en
Application filed by JR Geigy AG filed Critical JR Geigy AG
Publication of ES371230A1 publication Critical patent/ES371230A1/en
Expired legal-status Critical Current

Links

Abstract

Procedure for the preparation, of new benzofuran derivatives of the general formula I, **(See formula)** in which R1 means hydrogen, a halogen atom up to the atomic number 35, an alkyl group or an alkoxy group with, each time, 2 carbon atoms at most or the nitro group, R2 stands for hydrogen, a halogen atom up to atomic number 35, an alkyl group or an alkoxy group with each having 2 carbon atoms at most, R3 means an alkyl group with 4 carbon atoms at most and R4 and R5 each signify an alkyl group having 4 carbon atoms at most or both signify together with the adjacent nitrogen atom, -NR4R5, the piperidine or morpholinic 1-pyrrolidinyl group, and its addition salts with inorganic and organic acids, characterized in that an ester suitable for the reaction of a compound of the general formula II, **(See formula)** in which Rl, R2 and R3 have the significance indicated under formula I, it is reacted with a compound of the general formula III **(See formula)** in which R4 and R5 have the significance indicated under formula I, and if desired, the benzofuran derivative obtained from the general formula I is transformed into an adoption salt with an inorganic or organic acid. (Machine-translation by Google Translate, not legally binding)
ES371230A 1968-09-06 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding) Expired ES371230A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1344268A CH514572A (en) 1968-09-06 1968-09-06 Process for the production of new benzofuran derivatives

Publications (1)

Publication Number Publication Date
ES371230A1 true ES371230A1 (en) 1972-01-01

Family

ID=4392485

Family Applications (3)

Application Number Title Priority Date Filing Date
ES371233A Expired ES371233A1 (en) 1968-09-06 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)
ES371230A Expired ES371230A1 (en) 1968-09-06 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)
ES371232A Expired ES371232A1 (en) 1968-09-06 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES371233A Expired ES371233A1 (en) 1968-09-06 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES371232A Expired ES371232A1 (en) 1968-09-06 1969-09-05 Procedure for the preparation of new benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)

Country Status (5)

Country Link
BR (1) BR6912220D0 (en)
CA (1) CA921031A (en)
DK (1) DK122813B (en)
ES (3) ES371233A1 (en)
IL (1) IL32956A0 (en)

Also Published As

Publication number Publication date
ES371233A1 (en) 1971-10-16
ES371232A1 (en) 1971-12-01
BR6912220D0 (en) 1973-05-10
CA921031A (en) 1973-02-13
IL32956A0 (en) 1969-11-30
DK122813B (en) 1972-04-17

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